Wiring Diagram Old Honeywell Thermostat Instructions
Install the honeywell lyric thermostat like a pro.
Wiring diagram old honeywell thermostat instructions. Honeywell backlit display non programmable thermostat rth the home depot. Use the wiring cross reference table below to match each old thermostat wire with its corresponding terminal on the ct87 wallplate or subbase. Honeywell thermostat wiring diagram 4 wire examples. If the wire labels from your old thermostat hookup don t match the above honeywell offers additional advice that we adapt in table form provided in detail at honeywell 5 2 day programmable thermostat rth2300b1012 wiring.
But here is a list of the most common wire color mappings as seen in many four wire t stat setups. If labels do not match letters on the thermostat check the chart at. Honeywell 5 2 day thermostat wiring table. If we recommend placing a wire in a terminal do not move it to another terminal if we address it later in the guide.
After mounting the new thermostat s wall plate we can re connect the wiring. After you have removed and labeled all wires you can unscrew remove the old thermostat wall plate and mount the new thermostat s wall plate. 4 wire honeywell thermostat wiring diagram a pcb layout is the resulting design from taking a schematic once specific components and determining how they will physically be laid out upon a. Honeywell thermostat wiring diagram wires.
Wire the thermostat 1. C 24 vac common you might see blue purple or brown typically used for this wire. 2 stage heat pump thermostat wiring rheem. Never attach wires to both the b and o terminals.
Label wires and remove your old thermostat see pages. Honeywell thermostat wiring instructions. Install and. Strip the wire insulation as needed to fit the wires underneath the ter minal screws fig.